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89534-16-7

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89534-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89534-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,3 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89534-16:
(7*8)+(6*9)+(5*5)+(4*3)+(3*4)+(2*1)+(1*6)=167
167 % 10 = 7
So 89534-16-7 is a valid CAS Registry Number.

89534-16-7Downstream Products

89534-16-7Relevant articles and documents

Γ-Ketosulfides and Hydroxysulfides from Sodium Methanthiolate of Sulfidic Spent Caustics

Baeva,Biktasheva,Fatykhov,Lyapina

, p. 615 - 621 (2019)

Abstract: Condensation of pentan-3-one, hexan-2-one, 4-methylpentan-2-one, 5-methylhexan-3-one, or 2,6-dimethylheptan-4-one with formaldehyde and sodium methanethiolate, which is present in sulfidic spent caustic from the Orenburg gas processing plant, yields the corresponding mono- and bis[(methylsulfanyl)methyl]-substituted ketones or their mixtures depending on the reactant ketone structure. Alkylthiomethylation of butan-2-one with equimolar amounts of formaldehyde and sodium methanethiolate results in 3-methyl-5-thiahexan-2-one or, in the case of a twofold excess of the reagents, in 2-methyl-1,5-bis(methylsulfanyl)-4-[(methylsulfanyl)methyl]pentan-3-one. On the basis of 3-methyl-5-thiahexan-2-one, new polyfunctional [(methylsulfanyl)methyl]-substituted alcohol, α-hydroxymethylketone, 1,3-diol, and 1,3-dioxane have been obtained.

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